So my professor requires us to download the assignment as a .docx but submit it as a PDF. I work on it in word and part of each assignment is to link a URL to the page we found the answer from. After adding the URL, I press enter to make sure it is blue. When I submit the assignment, I open it as a PDF and click on the link to make sure it works and it always does but my professor says that when she gets my assignment it doesn't. Is this because I have a Mac and she uses Windows? Why do the links activate for me but not for her? Can I get a reply asap please, points are being taken off of my assignments.